| Clausen, Martin | Martin Clausen | Actor, Choreographer, Director | 2006 | 3 | 1 |
| Cieslak, Dirk | Dirk Cieslak | Choreographer, Director | 2006 | 2 | 1 |
| Condren, Dustin | Dustin Condren | Director | 2006 | 1 | 1 |
| Côté, Véronique | Véronique Côté | Actor | 2009 | 1 | 1 |
| Côté, Lorraine | Lorraine Côté | Director | 2009 | 1 | 1 |
| Casasayas, Queralt | Queralt Casasayas | Actor | 2008 | 15 | 1 |
| Clemens, Stephan | Stephan Clemens | Actor | 2009 - 2016 | 2 | 1 |
| Connors, Edward | Edward Connors | Actor | 2010 | 1 | 1 |
| Conovici, Ella | Ella Conovici | Designer | 1978 | 38 | 1 |
| Calogero, Lizzie | Lizzie Calogero | Actor | 2010 | 2 | 1 |
| Cato, Anders | Anders Cato | Adaptation, Director | 2009 | 2 | 1 |
| Ceraso, Chris | Chris Ceraso | Actor | 2010 | 1 | 1 |
| Coats, Brian, D. | Brian D. Coats | Actor | 2010 | 1 | 1 |
| Chandler, David | David Chandler | Actor | 2009 | 1 | 1 |
| Cloos, Hans Peter | Hans Peter Cloos | Director | 2010 | 2 | 1 |
| Crossley, Howard | Howard Crossley | Actor | 2009 - 2010 | 20 | 1 |
| Celik, Aysan | Aysan Celik | Actor | 1999 - 2009 | 2 | 1 |
| Chaudhari, Zuleikha | Zuleikha Chaudhari | Director | 2009 | 1 | 1 |
| Cover, Bradford | Bradford Cover | Actor | 2010 | 1 | 1 |
| Chait, Matthew | Matthew Chait | Actor | 1964 | 1 | 1 |
| Caughill, Patrick | Patrick Caughill | Actor | 2012 | 1 | 1 |
| Callis, Sam | Sam Callis | Actor | 2011 | 1 | 1 |
| Croft, Giles | Giles Croft | Director | 2011 | 2 | 1 |
| Coombs, Simon | Simon Coombs | Actor | 2011 | 1 | 1 |
| Croydon, Joan | Joan Croydon | Actor | 1962 | 1 | 1 |
| Capelle, Ingrid | Ingrid Capelle | Actor | 1962 | 2 | 1 |
| Cole, Stephen | Stephen Cole | Actor, Director | 1962 - 1978 | 2 | 1 |
| Chappell, Kandis | Kandis Chappell | Actor | 2012 | 1 | 1 |
| Culver, Michael | Michael Culver | Actor | 1962 | 2 | 1 |
| Cullen, Sean | Sean Cullen | Actor | 1998 - 2011 | 3 | 1 |
| Chitham, Claire | Claire Chitham | Actor | 2011 | 1 | 1 |
| Coleman, Simon | Simon Coleman | Designer, Lighting Designer | 2011 | 2 | 1 |
| Carlucci, Patrizia | Patrizia Carlucci | Actor | 2012 | 1 | 1 |
| Cendron, Alex | Alex Cendron | Actor | 2012 - 2024 | 7 | 1 |
| Coonen, Paula | Paula Coonen | Actor | 1961 | 1 | 1 |
| Cotsworth, Staats | Staats Cotsworth | Actor | 1940 - 1961 | 2 | 1 |
| Collins, Paul | Paul Collins | Actor | 2012 | 1 | 1 |
| Comiskey, John | John Comiskey | Designer, Lighting Designer | 2011 | 2 | 1 |
| Campbell, Robert, Sean | Robert Sean Campbell | Actor | 2013 | 1 | 1 |
| Costello, Ward | Ward Costello | Actor | 1959 | 1 | 1 |
| Compton, Fay | Fay Compton | Actor | 1948 - 1959 | 2 | 1 |
| Calvo, Mireille | Mireille Calvo | Actor | 1958 | 1 | 1 |
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